The Mechanical Principles of Engineering and ArchitectureJ. Wiley, 1875 - 699 стор. |
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Сторінка xii
... applied to any such machine , that the amount of work expended upon the friction of the axis may be the least possible . This direction of the driving pressure always presents itself on the same side of the axis with that of the working ...
... applied to any such machine , that the amount of work expended upon the friction of the axis may be the least possible . This direction of the driving pressure always presents itself on the same side of the axis with that of the working ...
Сторінка xiv
... applied the well known principle of Coulomb to the determination of the pressure of earth upon revêtement walls , and a modification of that principle , suggested by M. Poncelet , to the determination of the resistance opposed to the ...
... applied the well known principle of Coulomb to the determination of the pressure of earth upon revêtement walls , and a modification of that principle , suggested by M. Poncelet , to the determination of the resistance opposed to the ...
Сторінка 1
... applied to a solid body , is the same at whatever point in the line of its direction it is applied ; so that the condi- tions of the equilibrium of that pressure , in respect to other pressures applied to the same body , are not altered ...
... applied to a solid body , is the same at whatever point in the line of its direction it is applied ; so that the condi- tions of the equilibrium of that pressure , in respect to other pressures applied to the same body , are not altered ...
Сторінка 2
... applied in a direction opposite to the two to sustain them , is said to be double of either of them . If we take a third pressure , equal to either of the two first , and apply the three in the same direction , the single pressure ...
... applied in a direction opposite to the two to sustain them , is said to be double of either of them . If we take a third pressure , equal to either of the two first , and apply the three in the same direction , the single pressure ...
Сторінка 3
... applied to a point , is represented in direction by the diagonal of a paral lelogram , whose adjacent sides represent those pressures in magnitude and direction . * ( Duchayla's Method . † ) To the demonstration of this proposition ...
... applied to a point , is represented in direction by the diagonal of a paral lelogram , whose adjacent sides represent those pressures in magnitude and direction . * ( Duchayla's Method . † ) To the demonstration of this proposition ...
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Загальні терміни та фрази
a₁ angle of resistance angular velocity axes axis beam body bordering upon motion centre of gravity circumference co-efficient compression conical surfaces corresponding crank crank arm cubic foot curve cylinder deflexion determined displaced fluid distance ditto driven wheel driving epicycloidal equal equation equilibrium evident exceedingly small extrados forces formula friction given horizontal hypocycloidal inclination inertia intersect involute lamina length limiting angle line of centres line of resistance load machine modulus moment of inertia moving n₁ n₂ neutral line observing obtain oscillation P₁ P₂ parallel passing perpendicular pitch circle plane point of application point of contact portion position radius repre respect resultant revolution revolve rupture space stability Substituting supposed surfaces of contact taken to represent tion tooth U₁ unguent vertical vis viva viva voussoirs wall weight whence it follows whilst whole